Write a program to find whether the given number is a perfect number or not.

Source Code

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#include<stdio.h>

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#include<conio.h>

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#include<math.h>

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int main (int argc,char*argv[])

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{

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clrscr();

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int n,num,i,c=0,per=0;

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int ar[100];

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for(i=0;i<100;i++)

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{

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ar[i]=0;

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}

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printf("\n Enter the number: ");

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scanf("%d",&n);

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num=n;

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for(i=1;i<num;i++)

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{

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if(n%i==0)

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{

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ar[c]=i;

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c++;

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}

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}

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for(i=0;i<c;i++)

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{

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per+=ar[i];

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}

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printf("\n The number %d is",n);

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if(n==per)

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printf(" perfect number");

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else

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printf(" not an perfect number");

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getch();

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}

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